Patients qualified for glaucoma surgical procedure fill in QoL questionnaire (NEI VFQ 25) at baseline (pre-operatively) and 3 months after glaucoma surgery. Additional data will be collected such as demographic data and medical data, visual acuity, intraocular pressure, number of glaucoma medications, stage of glaucoma based on visual field assessment, medical ophthalmic history, intra and postoperative complications, postoperative interventions.